23 Bonnie Lane, Union, ME 04862
$775,000
Property Type:
Residential
Bedrooms:
4
Baths:
4
Square Footage:
3,596
Lot Size (sq. ft.):
54,450
Status:
Active
Current Price:
$775,000
List Date:
2/23/2026
Last Modified:
2/24/2026
Description
Beautiful post and beam home set on 1.25 well-kept acres with a four-car garage and separate in-law apartment. Welcome to 23 Bonnie Lane, a spacious three-bedroom, three full bath home featuring a full in-law apartment and offering three levels of comfortable living, enjoyment, and ample room to entertain. Warm wood beams and cathedral ceilings create timeless character throughout the main house. The open concept kitchen and dining area flow into a step-down living room featuring a woodstove with brick hearth and chimney. The spacious main floor primary bedroom is bright and inviting, enhanced by recently added transom windows and an ensuite bath with tile shower and double vanity. A guest bedroom with beamed ceiling and built-ins, full hall bath and convenient first-floor laundry complete the main level. The second floor suite offers a kitchenette, desk area, generous sleeping space and full bath. The finished basement provides additional entertaining space with v-match finishes and a dedicated gym area. A mudroom connects to four heated garage bays with heat pumps and automatic openers for year-round comfort. Above the garage, a fully equipped in-law apartment includes a full kitchen with dishwasher, heat pump, full bath, laundry and private balcony. Outside, enjoy a fenced yard, paved driveway, large deck and a 16-person swim spa with pergola, plus wood and tractor sheds. Conveniently located just 20 minutes to Camden or Rockland and under an hour to Augusta. Several freshwater ponds and lakes are nearby, along with abundant opportunities for fishing, hiking and outdoor recreation. Virtual tour available.
Supplements: ********
More Information MLS# 1652563
Property Sub-Type
Property Sub-Type: Single Family Residence
Location Information
Book: 5348
Leased Land: No
Page: 270
Map: 3
Lot: 26-3
Zoning Overlay: No
Association: No
Tree Growth Y/N: No
Street #: 23
Street Name: Bonnie
Street Type: Lane
County: Knox
Town: Union
State/Province: ME
Zip Code: 04862
Zip +4: 3045
Zoning: Rural
Full Tax Amount $: 7049
Tax Year: 2025
Geo Lat: 44.212179
Geo Lon: -69.21505
Property Information
Surveyed: Unknown
Seasonal: No
Deed: All
Lot Size Acres +/-: 1.25
# Rooms: 10
Total Baths: 4
Total Half Baths: 0
Color: Moss Green
Road Frontage: No
# Fireplaces: 1
SqFt Finished Above Grade: 2854
SqFt Finished Below Grade: 742
SqFt Source: Other
Other Source of Square Footage: Matterport
Furniture: Unfurnished
Garage: No
Garage Spaces: 4
# Bedrooms: 4
Total Full Baths: 4
Year Built: 1991
SqFt Finished Total: 3596
Source of Acreage: Deed
Site
Level: 1
Open: 1
Right of Way: 1
Well Landscaped: 1
Location
Near Golf Course: 1
Near Shopping: 1
Near Town: 1
Rural: 1
Roads
Gravel: 1
Private Road: 1
Transportation
Major Road Access: 1
Water Info
Water Frontage: No
Water View: No
Recreational Water
Lake/Fresh Water: 1
Nearby: 1
Public: 1
Construction
Other: 1
Wood Frame: 1
Other Structures
Outbuilding: 1
Shed(s): 1
Structure Type
Post & Beam: 1
Basement
Finished: 1
Full: 1
Partial: 1
View
Trees/Woods: 1
Foundation Materials
Poured Concrete: 1
Exterior
Clapboard: 1
Wood Siding: 1
Roof
Pitched: 1
Shingle: 1
Heat System
Baseboard: 1
Heat Pump: 1
Hot Water: 1
Zoned: 1
Appliances Included
Dishwasher: 1
Dryer: 1
Electric Range: 1
Gas Range: 1
Microwave: 1
Refrigerator: 1
Washer: 1
Other: 1
Other Appliances: Electric range, Fridge x2, W/D x3, DW x2
Heat Fuel
Electric: 1
Oil: 1
Wood: 1
Cooling
Heat Pump: 1
Floors
Carpet: 1
Hardwood: 1
Linoleum: 1
Tile: 1
Wood: 1
Kitchen Countertop
Butcher Block: 1
Formica: 1
Parking
5 - 10 Spaces: 1
Off Street: 1
On Site: 1
Style
Contemporary: 1
Electric
Circuit Breakers: 1
Generator Hookup: 1
Bedroom 1
Bedroom 1: 1
Bedroom 1 Level: Second
Utilities
Utilities On: No
Bedroom 1 Amenities
Built-Ins: 1
Closet: 1
Full Bath: 1
Separate Shower: 1
Gas
Bottled: 1
Sewer
Private Sewer: 1
Water
Private: 1
Driveway
Paved: 1
Basement Entry
Doghouse: 1
Interior: 1
Water Heater
Off Heating System: 1
Window Features
Double Pane Windows: 1
Amenities
1st Floor Bedroom: 1
1st Floor Primary Bedroom w/Bath: 1
Animal Containment System: 1
Fence: 1
Hot Tub: 1
In-Law Apartment: 1
Laundry - 1st Floor: 1
Laundry - 2nd Floor: 1
One-Floor Living: 1
Other Amenities: 1
Pool-Above Ground: 1
Primary Bedroom w/Bath: 1
Shower: 1
Storage: 1
Patio and Porch Features
Deck: 1
Porch: 1
Equipment
Generator: 1
Internet Access Available: 1
Vehicle Storage
4+ Car: 1
Auto Door Opener: 1
Direct Entry to Living: 1
Heated: 1
Attached: 1
Dining Room
Dining Room: 1
Dining Room Level: First
Dining Room Amenities
Cathedral Ceiling: 1
Exercise Room
Exercise Room: 1
Exercise Room Level: Basement
Kitchen
Kitchen: 1
Kitchen Level: First
Kitchen Amenities
Cathedral Ceiling: 1
Island: 1
Living Room
Living Room: 1
Living Room Level: First
Living Room Amenities
Cathedral Ceiling: 1
Heat Stove: 1
Sunken/Raised: 1
Primary Bedroom
Primary Bedroom: 1
Primary Bedroom Level: First
Primary Bedroom Amenities
Cathedral Ceiling: 1
Closet: 1
Double Vanities: 1
Full Bath: 1
Separate Shower: 1
Suite: 1
Vaulted Ceiling: 1
Mud Room
Mud Room: 1
Mud Room Level: First
Office
Office: 1
Office Level: First
Office Amenities
Built-Ins: 1
Other Room 1
Other Room 1: 1
Other Room 1 Level: Basement
Other Room Amenities 1
Rec Room: 1
Room Features
Above Garage: 1
Balcony/Deck: 1
Breakfast Nook: 1
Built-Ins: 1
Cathedral Ceiling(s): 1
Closet: 1
Double Vanity: 1
Eat-in Kitchen: 1
Four-Season: 1
Full Bath: 1
Heat Stove: 1
Heated: 1
Kitchen Island: 1
Laundry/Laundry Hook-up: 1
Rec Room: 1
Separate Shower: 1
Stairway: 1
Storage: 1
Suite: 1
Sunken/Raised: 1
Vaulted Ceiling(s): 1
Contract Information
Status: Active
Original List Price: 775000
List Price: $775,000
Current Price: $775,000
Property Features
Site: Level; Open; Right of Way; Well Landscaped
Location: Near Golf Course; Near Shopping; Near Town; Rural
Roads: Gravel; Private Road
Transportation: Major Road Access
Recreational Water: Lake/Fresh Water; Nearby; Public
View: Trees/Woods
Appliances Included: Dishwasher; Dryer; Electric Range; Gas Range; Microwave; Refrigerator; Washer; Other
Kitchen Countertop: Butcher Block; Formica
Style: Contemporary
Structure Type: Post & Beam
Construction: Other; Wood Frame
Basement: Finished; Full; Partial
Basement Entry: Doghouse; Interior
Foundation Materials: Poured Concrete
Roof: Pitched; Shingle
Exterior: Clapboard; Wood Siding
Heat System: Baseboard; Heat Pump; Hot Water; Zoned
Heat Fuel: Oil; Wood
Water Heater: Off Heating System
Cooling: Heat Pump
Floors: Carpet; Hardwood; Linoleum; Tile; Wood
Window Features: Double Pane Windows
Amenities: 1st Floor Bedroom; 1st Floor Primary Bedroom w/Bath; Animal Containment System; Fence; Hot Tub; In-Law Apartment; Laundry - 1st Floor; Laundry - 2nd Floor; One-Floor Living; Other Amenities; Pool-Above Ground; Primary Bedroom w/Bath; Shower; Storage
Patio and Porch Features: Deck; Porch
Equipment: Generator; Internet Access Available
Driveway: Paved
Parking: 5 - 10 Spaces; Off Street; On Site
Vehicle Storage: 4+ Car; Auto Door Opener; Direct Entry to Living; Heated
Other Structures: Outbuilding; Shed(s)
Electric: Circuit Breakers; Generator Hookup
Gas: Bottled
Sewer: Private Sewer
Water: Private
Room Information
Kitchen
Level: First
Dining Room
Level: First
Living Room
Level: First
Primary Bedroom
Level: First
Office
Level: First
Mud Room
Level: First
Bedroom 1
Level: Second
Exercise Room
Level: Basement
Other Room
Level: Basement
In-law Floorplan
Level: Second
Documents
Listing Office:
Legacy Properties Sotheby's International Realty
IDX
Last Updated: February - 24 - 2026
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